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A simple approach was proposed to fabricate a wear-resistant superhydrophobic coating by spraying the suspensions of polyurethane (PU)/molybdenum disulfide (MoS 2 ) on various substrates. The PU/55.6%MoS 2 coating with papillae-like rough structure showed superhydrophobic behavior with the water contact angle of 157°. After chemical modification, the coating displayed both superhydrophobicity...
A superhydrophobic polyaniline (PANI) film was fabricated by using a facile one-step spraying method. The sprayed film showed stable superhydrophobic behavior at ambient environment for more than a month. However, after plasma treatment, the surface turned superhydrophilic and such wettability transition may be attributed to the change of surface composition since its rough surface microstructure...
Superhydrophobic Zn surface has been fabricated by galvanic replacement reactions. The focus of this paper is the effect of various experimental parameters on the wetting behavior of superhydrophobic Zn surface, such as the solution concentration, immersion time, and pretreating temperatures. These factors directly affect the surface morphology and change surface roughness. The effect of alkyl chain...
Superhydrophobic metal mesh has been fabricated by a simple spraying method. The processes of decreasing surface free energy and increasing surface roughness have been accomplished in one step via the reaction of metal salts and alkanethiols. The loading capacity of these superhydrophobic meshes was performed. The largest loading capacity appeared with pore size of 90μm. Furthermore, the stability...
A simple approach is proposed to fabricate a regenerable superhydrophobic coating constructed by spraying metal alkylcarboxylate dispersion on any substrates. This dispersion is prepared by the reaction of metal salt and alkylcarboxyl acid in ethanol solution. The sprayed coating with the flowerlike hierarchical structures shows stable super-repellent behavior for several oily liquids such as ethylene...
A superhydrophobic poly(methyl methacrylate) (PMMA)/silver thiolate composite has been fabricated by a simple spraying method. Compared with the intrinsically hydrophilic pure PMMA, the as-prepared PMMA composite coating displayed a superhydrophobic property. And the UV–vis spectra displayed a notable absorption of light in the ultraviolet range (UVA light), which made the composite potential material...
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